Claude vs. Gemini: Testing on 1M Tokens of Context
Was this newsletter forwarded to you? Sign up to get it in your inbox. Today, Anthropic is releasing a version of Claude Sonnet 4 that has a 1-million token context window. That’s approximately the entire extant set of Harry Potter books in each prompt. We got early access last week, so you know we had to put it to the test. We did three main tests on Claude Sonnet 4: Long context text analysis: We hid two movie scenes in 1 million tokens of context, and asked Claude to find those scenes and